(6483) Nikolajvasil'ev Main-belt Asteroid
Discovered on 2 March 1990 by E. W. Elst at La Silla.
Named in honor of Nikolaj Vasilʹev, scientific director of the Interdisciplinary Independent Tunguska Expeditions. A professor of medicine and a well-known oncologist at the Institute for Microbiology in Kharkov, he has for many years been interested in the history and scientific investigation of the Tunguska event. In his capacity as IITE director he and other members of the group succeeded in having 4000 square kilometers of the Tunguska region set aside as a national reserve for the next 20 years.Naming citation (WGSBN Bull. 6, #10, 5), IAU / Minor Planet Center, via NASA/JPL
Where Nikolajvasil'ev is today
Seen from above the solar system on 2026-10-14: Nikolajvasil'ev is 2.93 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6483 |
| Provisional designation | 1990 EO4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.54 km (#11,550 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.259 |
| Absolute magnitude (H) | 14.06 |
| Orbital period | 4.07 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.16 – 2.94 au |
| Eccentricity | 0.153 |
| Inclination | 5.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nikolaj
- (2233) Kuznetsov
- (2238) Steshenko
- (2342) Lebedev
- (3958) Komendantov
- (4067) Mikhel'son
- (4208) Kiselev
- (4233) Pal'chikov
- (4654) Gor'kavyj
- (5075) Goryachev
- (5087) Emel'yanov
- (5158) Ogarev
- (6575) Slavov
All asteroids named after someone called Nikolaj
Also discovered on 2 March 1990
- (4546) Franck
- (5780) Lafontaine
- (6309) Elsschot
- (6780) Borodin
- (7285) Seggewiss
- (8652) Acacia
- (9329) Nikolaimedtner
- (11506) Toulouse-Lautrec
- (11876) Doncarpenter
- (13037) Potosi
- (13038) Woolston
- (13513) Manila